GB338396A
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Improvements in actions for typewriting machines
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GB261264A
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Improvements in typewriting machines
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GB252608A
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Improved card guiding device for typewriting machines
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GB230343A
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Improvements in typewriting machines
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GB213068A
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Improvements in case-shift mechanism for typewriters
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GB198839A
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Improvements in actions for typewriting machines
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GB199811A
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Improvements in typewriting machines
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GB200045A
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Improvements in framework for typewriting machines
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GB198840A
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Improvements in actions for typewriting machines
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